I proved to upgrade from 0.4.3 to 0.4.5 and now it show me this error:
Warning: is_writable() [function.is-writable]: open_basedir restriction in effect. File(/var/lib/php5) is not within the allowed path(s): (/var/www/vhosts/domain.com/httpdocs:/tmp) in /var/www/vhosts/domain.com/httpdocs/piwik/index.php on line 55
Fatal error: Uncaught exception ‘Zend_Session_Exception’ with message ‘Session must be started before any output has been sent to the browser; output started in /var/www/vhosts/domain.com/httpdocs/piwik/index.php/55’ in /var/www/vhosts/domain.com/httpdocs/piwik/libs/Zend/Session.php:454 Stack trace: #0 /var/www/vhosts/domain.com/httpdocs/piwik/index.php(76): Zend_Session::start() #1 {main} thrown in /var/www/vhosts/domain.com/httpdocs/piwik/libs/Zend/Session.php on line 454
Can anybody give a hand?